Any request for inclusion of firm's name in a Limited Tender needs to be addressed to AMM/DSD/GOC through official email id: ammdslgoc@tpj.railnet.gov.in. Which should be done at least 24 hours in advance of the previous working day of the tender opening date. Details of past performance, like proof of supply of same/similar item to any Zonal Railways/ Railway Production Units, MSE certificate, OEM dealership certificate,if applicable, and other relevant documents, if any, should be attached along with the request letter for scrutiny and consideration